The Gasket Kit A (except Vt1100cw/c2w) assembly is constructed from several parts from which the Gasket Kit,a (nas) is the most expensive.
Some items from this specific schematic: O-ring,35.3x2.4, Washer Seal, 6mm, O-ring 18x2.6, Gasket,cylinder H (nas).
The Honda GASKET KIT A (EXCEPT VT1100CW/C2W) has eighteen products enlisted in the schematic.